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p*****m
发帖数: 7030 | 4 In fact, I AM clear about this. The one who is not clear is YOU. I know when
she graduated from college, when she left graduate school, when she joined
BCG. How about you? You are simply speculating from your post #1, while
blaming others for "speculation". What a joke. |
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l****a
发帖数: 662 | 5
Some anthropologists have questioned the energy cost of rebuilding the
endometrium every fertility cycle. However, anthropologist Beverly
Strassmann has proposed that the energy savings of not having to
continuously maintain the uterine lining more than offsets energy cost of
having to rebuild the lining in the next fertility cycle, even in species
such as humans where much of the lining is lost through bleeding (overt
menstruation) rather than reabsorbed (covert menstruation).[22][23] However,... 阅读全帖 |
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h******y
发帖数: 351 | 6 In the latest issue of Nature.
http://www.nature.com/nature/journal/v488/n7412/full/488459a.ht
Olympics: Some facts about Ye Shiwen's swim
Weimin Zhong,
Hao Wu
& Linheng Li
We write on behalf of the Chinese Biological Investigators Society, a
professional organization of overseas and native Chinese scientists (www.
cbisociety.org), to express our concern over your online News 'Explainer'
about the performance of Ye Shiwen, a 16-year-old Chinese swimmer who won
gold medals in... 阅读全帖 |
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a*******i
发帖数: 27 | 7 NATURE | NEWS Sharing
Chinese scientists row over long-sought protein that senses magnetism
Two universities ask journal to retract paper that allegedly violated a
collaboration agreement.
David Cyranoski
21 September 2015
Article toolsRights & Permissions
Neuroscientists in China say they have used magnetic fields to control
neurons and muscle cells in nematode worms (pictured), after identifying a
protein that senses magnetism.
A dispute has broken out at two of China’s most prestigious univer... 阅读全帖 |
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a*******i
发帖数: 27 | 8 NATURE | NEWS Sharing
Chinese scientists row over long-sought protein that senses magnetism
Two universities ask journal to retract paper that allegedly violated a
collaboration agreement.
David Cyranoski
21 September 2015
Article toolsRights & Permissions
Neuroscientists in China say they have used magnetic fields to control
neurons and muscle cells in nematode worms (pictured), after identifying a
protein that senses magnetism.
A dispute has broken out at two of China’s most prestigious univer... 阅读全帖 |
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k*****n
发帖数: 417 | 9 The report is preliminary, but shows the potential of using the protein and
magnetic fields to stimulate neurons, says Mu-ming Poo, director of the
Institute of Neuroscience at the Chinese Academy of Sciences in Shanghai.
But he and other researchers are critical that the paper does not discuss
how the protein can sense magnetic fields. James Chou, a biological chemist
at Harvard Medical School in Boston, Massachusetts, says that the work
offers no reasonable explanation — or even speculation.
“... 阅读全帖 |
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n******d
发帖数: 1055 | 10 都是speculation and assumption. 然后在这两者的基础上再进一步speculation, 跟
事实是两回事。 |
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q**i
发帖数: 174 | 11 One question I have been thinking about is this: is it
possible, in today's world, for a small economy
to be stable?
What happened in Hong Kong is indicative of how powerful
free flow capital can be. With abundance of speculative
flows of money, it will be very difficult to stablize
any economy, short of removing itself from the global
chain.
For an economy that's small, and perfectly in sync with
its fundamentals, and allows a free market and perfectly
convertible currency, speculators could in |
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q**i
发帖数: 174 | 12
From a micro-market structure point of view, arb's are very
important to maintaining liquidity in the market place,
dissimination of information, and sharing mkt overhead, etc.
Investing, to a degreee, is speculating: investors anticipate
that their investment is to pay off (like speculators
betting to win). |
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s*********n
发帖数: 237 | 13 It has some truth. But I do not fully agree on it. Speculation is part of
the free market machenism. They also attact Europe (Britain, Italy) when
Bretton-Woods (every Europe currency pegged to US dollar) closed to end.
It
is hard to say that it is the consiracy of US government or even US
businessmen. But of course, government has responsibility to facilitate the
market and prevent the excessive speculation.
Another interesting example is those buy-out. In the eye of normal people
and
s |
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t*****l
发帖数: 25 | 14 之前油价胀时，很多经济学家在博客上讨论胀价的原因。
主要有两派：1. 油价胀是由于供求关系。2.也是由于 future market 的 speculators.
相信1的认为，future market 买卖的是 contract，不会影响spot price. 而 油的
inventory 也没有怎样增加。
相信2的认为，因为某些原因，future market 的 speculations 也会影响 spot price。
请问应如何分析这个问题? |
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g**h
发帖数: 15 | 15 If no other major effect, the higher the temperature, the lower the bandgap
and longer lasing wavelength. This is a fact.
What I proposed is just my speculation based on my understanding. I don't
have first experience to obserse such type of laser before. But I can
predict that if you enhance TEC cooling efficiency (for example, by putting
laser upside down), you will find it's more difficult to get lasing if my
guess is right.
About your speculation, I don't know what you mean "electrons in the |
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k*********g
发帖数: 791 | 16 飞碟、高速飞行器里面的反加速度装置是怎么设计的？
藕一直认为这是个很深奥的问题；
看到一则“怎样实现旋转运动转变为直线往复运动”，让藕想起一个藕已经苦苦思索了
N年的问题；
飞碟、高速飞行器（比如用于空中格斗的战斗机），往往有一个巨大的加速度问题，估
计相当于10倍重力加速度；在这样的加速度下，人
是受不了的；所以要设计一种反加速度装置；
看到：“怎样实现旋转运动转变为直线往复运动”，讲的是不同运动速度的转换；
稍稍学过kinematics或者机械原理的, 甚至很多修车的文盲, 都知道“曲柄”能搞定这
种转换；
藕speculate所有的书讲的是“曲柄”之所以能搞定转换的表面原因，那个任何人都看
得懂的原因；
但是, 藕speculate有更深层的、能上升到topology层次的深刻原因；
为什么要走火入魔地把事情想得那么复杂呢？
因为一旦抽象以后，在抽象世界藕们或许能向前推导1、2步，然后回到现实世界，然后
那个反加速度问题迎刃而解了； |
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Eg
发帖数: 80 | 17 新开一贴，我来说个入门级的吧。
在衍生物市场的Sell Side，特别是Exotic Business，一单生意是怎莫作成的呢？
简单得说（不考虑各种互动），是这样的：
客户（银行，企业，Hedge Fund, Mutual Fund..）因为自身Hedge或者Speculate的需
要，需要买金融产品。Salesperson和客户联系，得知客户的需要，然后由Structurer
把金融产品设计出来。中间可能会有很多谈判，主要是Structurer和客户之间的，比如
说Structurer可以根据对市场的走向的理解，说服客户自己设计的产品要比客户自己设
计的更能符合他Hedge或者Speculate的需要。客户觉得满意了，就会有购买意向。
这时候，就需要Trader了。Trader，简单的说，就是做两个事情，一个是给金融产品定
价，还有一个是管理风险。Trader给Structurer和Salesperson一个价格，Salesperson
/Structurer去和客户报价（如果知道足够多的情报，可以报高一点，但就会有客户被
竞争对手抢去的危险）。如果客户觉得满意，就决定买，Sale |
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b***k
发帖数: 2673 | 18 ☆─────────────────────────────────────☆
Eg (EG) 于 (Sat May 31 03:26:57 2008) 提到:
新开一贴，我来说个入门级的吧。
在衍生物市场的Sell Side，特别是Exotic Business，一单生意是怎莫作成的呢？
简单得说（不考虑各种互动），是这样的：
客户（银行，企业，Hedge Fund, Mutual Fund..）因为自身Hedge或者Speculate的需
要，需要买金融产品。Salesperson和客户联系，得知客户的需要，然后由Structurer
把金融产品设计出来。中间可能会有很多谈判，主要是Structurer和客户之间的，比如
说Structurer可以根据对市场的走向的理解，说服客户自己设计的产品要比客户自己设
计的更能符合他Hedge或者Speculate的需要。客户觉得满意了，就会有购买意向。
这时候，就需要Trader了。Trader，简单的说，就是做两个事情，一个是给金融产品定
价，还有一个是管理风险。Trader给Structurer和Salesperson一个价格 |
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s***e
发帖数: 267 | 19 I think you assume the option seller is sell option for hedge, not for
speculation. In real world most option
traders trade to speculate. And in SuperString's example, I don't see how
the stock can correct itself.
Now it seems there is this no-arbitrage price, and also there is this "fair
price" if we define it by the
expected value of the derivative. If you can find something cheaper than
fair price (or vice versa), then you
can consistently make profit by doing the opposite (no hedge). I guess |
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h*y
发帖数: 1289 | 20 Risk Neutral并不是说没有风险，而是说对风险的态度是Neutral的。
市场上的Quote是由Supply/Demand决定的。有了Quote，再通过适当的model，人们可以
imply the underlying distribution, the volatility surface, etc.有了这些东西，
我们就可以对一些exotics进行定价了。
说到交易，derivative marke的paticipants有hedger, arbitrager和 speculator。He
dger是用derivatives来避险，目的不是要赚钱。arbitrager属于空手套白狼型，利用m
arket的inefficiency赚钱，market的走向对其没有影响。speculator对market realiz
ation进行预测，在通过derivative来leverage。
不管用什么样的model来定价，都是基于当前的information对未来的一个expectation，
可是随着时间的推移，realization只是众多Paths中的一条，赚钱的机会一半一半 |
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x**y
发帖数: 10012 | 21 BEIJING — Before the opening bell sounded on the New York Stock Exchange on
a recent Tuesday, a group of fresh college graduates clocked in at a small
trading firm on the outskirts of this capital city.
They were hired to engage in rapid-fire stock trading with some of the world
’s most powerful investment houses in New York, London and Tokyo, and they
were instructed to be alert.
“The market could be volatile today,” King Chan, the general manager at
Lazer Trade, shouted to the group during a p... 阅读全帖 |
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M*****8
发帖数: 17722 | 22 【 以下文字转载自 Stock 讨论区 】
发信人: MB80528 (肥猫(Contrarian)[食MM而肥]), 信区: Stock
标 题: 米加金融公司外包国内大学毕业生做当日交易的抄盘手。
发信站: BBS 未名空间站 (Thu Dec 9 22:25:51 2010, 美东)
December 9, 2010
Day Trading Still Alive, Outsourced to China
By DAVID BARBOZA
¶ BEIJING — Before the opening bell sounded on the New York Stock
Exchange on a recent Tuesday, a group of fresh college graduates clocked in
at a small trading firm on the outskirts of this capital city.
¶ They were hired to engage in rapid-fire stock trading wi... 阅读全帖 |
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s*******0
发帖数: 3461 | 23 for this rule?
The Volcker Rule is a specific piece of the Dodd–Frank Wall Street Reform
and Consumer Protection Act originally proposed by American economist and
former United States Federal Reserve Chairman Paul Volcker to restrict
United States banks from making certain kinds of speculative investments
that do not benefit their customers.[1] Volcker argued that such speculative
activity played a key role in the financial crisis of 2007–2010. The rule
is often referred to as a ban on proprieta... 阅读全帖 |
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N******r
发帖数: 642 | 24 I don't see any reason the Fed should be factored in. A well functioned
market is able to stabilize prices by itself through supply and demand
forces. But it is now being seriously distorted by highly leveraged and
correlated profit-seeking speculations, and most of the activities are quant
-driven. That's what I am saying too much speculation provides too much
liquidity, in other words, bubbles, until they don't. |
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W**********r
发帖数: 68 | 25 5. Suppose you have bought a July ITM call and sold an August ATM put.
What would be your delta in this position? Once you hedged out your delta
what are the following greeks:
-Gamma
-Vega
-Rho
-Theta
这个我觉得是long Gamma，short Vega， long Rho， paying Theta
6. Suppose you know the following information about a market:
- Future is at 66
- 70 strike straddle is trading at 27
- 50-60 put spread is at 2.5
- 50-60-70 put fly is at .2
- Assume volatility is constant across strikes
Using the prices given an... 阅读全帖 |
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c********y
发帖数: 98 | 26 Someone in the sociology department ought to study this. SCMP reports that
speculators in Wenzhou are now stir frying a new product after real
estate--taxi licenses. http://chinastudygroup.org/newsarchive/7825/
In fact, Wenzhou people now seem to be leading the nation in speculations, yet
they were very apathetic toward the stock market when it was hot and almost
everybody in China seemed to have an stock account. When I asked my friends
about the apathy at the time, the answer was that "Wenzhou |
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A*******s
发帖数: 9638 | 27 我建议你不要谈， 原因很简单：
1. A medical professional should never, ever be a speculator.
2. A successful professional speculator will never be in the PD's office for
a resident interview.
Lexian 不要拍我。 |
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z*******n
发帖数: 1034 | 28 REDWOOD CITY -- Larry Ellison's stunning announcement Thursday that he is
stepping aside as CEO of Oracle, the corporate colossus he has overseen for
37 years, signals a historic shift in the Bay Area's technology landscape,
though the impact on his company remains to be seen because he is vowing to
stay intimately involved.
"I take this as the sound of a generation handing off to the future," said
tech forecaster Paul Saffo. "He's as much a landmark in Silicon Valley as
the Oracle towers" in Re... 阅读全帖 |
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C******g
发帖数: 2930 | 29 Gran Turismo 5 is a highly ambitious racer that has a big set of shoes to
fill. Considering the game’s rich history Gran Turismo immediately calls
to mind a near perfect racing simulator. Polyphony Digital’s Kazunori
Yamauchi is well known for his attention to detail which has fueled much of
the speculation that GT5 may not make the calendar year.
Dille officially ends that speculation while conveniently being ambiguous as
to the actual release date. During the Game Developers Conference 2010, |
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t******g
发帖数: 462 | 30 传统的硬盘公司只剩3家了：westdigital, Seagate 和 hitachi (市场占有率可忽略）
这两年big data/cloud火热,带动了硬盘和存储的需求，WDC和STX都涨了不少， STX目
前相对便宜。
Barron's一直看好STX：公司现金充足，正在回购30%股票及近期股息可能增加 10%
如果短期内flash memory(SSD drive)价格不急速下跌, STX也许还能有一些好日子
Seagate Driving Stock Value Higher
By ANDREW BARY | MORE ARTICLES BY AUTHOR
An aggressive share repurchasing program, a 4% yield, and storage demand
growing 40% a year. What's not to love?
Seagate Technology is committed to an aggressive share repurchase program
that is designed to reduce ... 阅读全帖 |
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b*****h
发帖数: 3386 | 31 Stocks, Euro Plunge on Concern Austerity Plans to Curb Recovery
By Will McSheehy and Shani Raja
May 17 (Bloomberg) -- Asian stocks fell the most since Feb. 5, the cost of
insuring bonds from default jumped and the euro dropped to its lowest
against the dollar since 2006 on concern European austerity measures will
derail the economic recovery.
The MSCI Asia Pacific Index dived 2.5 percent to 117.05 at 12 p.m. in Tokyo,
the Markit iTraxx Asia index of credit-default swaps climbed 10 basis
points t... 阅读全帖 |
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z**h
发帖数: 213 | 32 投资-Investment
投机-Speculation
Investment makes you sleep well at night
Speculation will make you sleepless at night |
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f**********g
发帖数: 2252 | 35 N AMERICAN MORNING BRIEFING: Stocks Set For Strong Start
0 minutes ago - Dow Jones News
Related Companies
Symbol Last %Chg
CMA 38.70 0.00%
F 13.66 0.00%
HON 45.75 0.00%
JPM 39.31 0.00%
SLB 63.56 0.00%
As of 4:03 PM ET 10/8/10
DJIA Futures 10973.0 +26.0 +0.2%
S&P 500 Futures 1163.7 +3.1 +0.3%
Nasdaq Futures 2026.8 +6.0 +0.3%
Above are as of 0615 ET
FTSE 100 5669.8 +12.2 +0.2%
Xetra DAX 6303.6 +11.9 +0.2%
CAC 40 3772.4 +9.2 +0.2%
Aboce are as of 0615 ET
Nikkei 225 9588.9 -95.9 -1.0%
Hang Seng 2320... 阅读全帖 |
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t*******o
发帖数: 1464 | 36 ASTC涨从报道上看事因为披露订单导致基本面变好，军工订单滞后性严重，这个订单和
朝鲜应该没有关系。
同理，不用期待AIR股票基本面会随着局势紧张而瞬间变好。
speculation play的话，我觉得如果事态能反复拖个1-2周时间，赌Volatility变大从
中赚钱比较合理，
逻辑如下:
市场觉的局势紧张-->军火会好--->speculation play的钱进进出出多了--Volatility
变大。
AIR这两天我看一下Volatility的变化，搞不好能赚一票。 |
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y*****l
发帖数: 5997 | 37 ☆─────────────────────────────────────☆
tanmaomao (坛猫猫) 于 (Tue Nov 16 18:13:00 2010, 美东) 提到:
RT
☆─────────────────────────────────────☆
tanmaomao (坛猫猫) 于 (Tue Nov 16 18:24:25 2010, 美东) 提到:
发信人: tanmaomao (坛猫猫), 信区: Stock
标 题: Re: 铀价格走势图 (转载)
发信站: BBS 未名空间站 (Tue Nov 16 18:23:29 2010, 美东)
Ux U3O8 Price indicator is the longest-running weekly uranium price series,
used by the industry in sales contracts
☆─────────────────────────────────────☆
tanmaomao (坛猫猫) 于 (Wed Nov 17 09:34:37 20... 阅读全帖 |
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e*n
发帖数: 1511 | 38 不走苏伊士运河的股都要涨了？
http://www.bloomberg.com/news/2011-01-28/overseas-shipholding-j
speculation-egypt-unrest-to-disrupt-suez.html?cmpid=yhoo
Overseas Shipholding Group, the biggest U.S. tanker owner, rose the most
in almost three months on speculation the political unrest in Egypt may
disrupt the operation of the Suez Canal. Other tanker owners also
rallied.
New York-based Overseas Shipholding jumped $1.95, or 6 percent, to
$34.40 on the New York Stock Exchange, the biggest one-day gain since
Nov. 2.... 阅读全帖 |
|
e*n
发帖数: 1511 | 39 不走苏伊士运河的股都要涨了？
http://www.bloomberg.com/news/2011-01-28/overseas-shipholding-j
speculation-egypt-unrest-to-disrupt-suez.html?cmpid=yhoo
Overseas Shipholding Group, the biggest U.S. tanker owner, rose the most
in almost three months on speculation the political unrest in Egypt may
disrupt the operation of the Suez Canal. Other tanker owners also
rallied.
New York-based Overseas Shipholding jumped $1.95, or 6 percent, to
$34.40 on the New York Stock Exchange, the biggest one-day gain since
Nov. 2.... 阅读全帖 |
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k***n
发帖数: 3158 | 40 WPX is out in my book too after some DD
it is a late comer in that region with other big boys front running them
too much.
EPO is there too. Even more speculative. They dont even have 43-101 report
ready yet. But once that is out and looks good. We could see some pop up.
I noticed PPI in November when it tripled in a short span. Thought it was
too speculative and passed. I dont think I will buy it in short term.
ICP is the one I like right now and may pull my trigger next week. They
have a uniqu... 阅读全帖 |
|
k***n
发帖数: 3158 | 41 WPX is out in my book too after some DD
it is a late comer in that region with other big boys front running them
too much.
EPO is there too. Even more speculative. They dont even have 43-101 report
ready yet. But once that is out and looks good. We could see some pop up.
I noticed PPI in November when it tripled in a short span. Thought it was
too speculative and passed. I dont think I will buy it in short term.
ICP is the one I like right now and may pull my trigger next week. They
have a uniqu... 阅读全帖 |
|
k***n
发帖数: 3158 | 42 I would stay with SDCJF among these four
shale oil/gas is a leveraged subsector that I think will perform well
with a rising oil price. RAME does not seem to be a shale play.
SDCJF's assest is much larger and in a more developed areas, especially
Bakken basin. They got in very early and bought these huge assets with
very low price. Now they are selling the interests along the way by having
JV with CHK and other senior players, using others money to carry them
into production. With the increase o... 阅读全帖 |
|
k***n
发帖数: 3158 | 43 I would stay with SDCJF among these four
shale oil/gas is a leveraged subsector that I think will perform well
with a rising oil price. RAME does not seem to be a shale play.
SDCJF's assest is much larger and in a more developed areas, especially
Bakken basin. They got in very early and bought these huge assets with
very low price. Now they are selling the interests along the way by having
JV with CHK and other senior players, using others money to carry them
into production. With the increase o... 阅读全帖 |
|
k***n
发帖数: 3158 | 44 the sector of rare earth has no doubt a great future
it's a very good story
but we have to admit that it is more of a speculation at the current stage
so it is affected greatly by the liquidity in the market
when liquidity retreats from the market
it evaporates much more rapidly in those speculative plays
I warned about a deflation wave coming with quite serious liquidity issues
in the market.
http://mitbbs.com/clubarticle/pennystock/31532163_3.html |
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